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Security Bulletin: Vulnerabilities in OpenLDAP affect PowerKVM (CVE-2015-3276, CVE-2015-6908)

Security Bulletin


Summary

PowerKVM is affected by two vulnerabilities in OpenLDAP. These vulnerabilities are now fixed.

Vulnerability Details

CVEID: CVE-2015-3276
DESCRIPTION:
OpenLDAP could allow a remote attacker to bypass security restrictions, caused by the failure to properly parse OpenSSL-style cipher strings in multi-keyword mode. By sending a specially crafted cipher request, an attacker could exploit this vulnerability to use ciphers that were not originally intended to be enabled.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108304 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2015-6908
DESCRIPTION:
OpenLDAP is vulnerable to a denial of service, caused by an assertion error in the ber_get_next() function. By sending a specially-crafted packet, a remote attacker could exploit this vulnerability to cause the slapd service to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/106296 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

PowerKVM 2.1 and PowerKVM 3.1

Remediation/Fixes

Customers can update PowerKVM systems by using "yum update".

Fix images are made available via Fix Central. For version 3.1, see https://ibm.biz/BdHggw for 3.1.0 service pack 1 (SP1) or later.

For version 2.1, the fix is made available via Fix Central (https://ibm.biz/BdEnT8) in 2.1.1 Build 65.7 and all later 2.1.1 SP3 service builds and 2.1.1 service packs. Customers running v2.1 are, in any case, encouraged to upgrade to v3.1.

For v2.1 systems currently running fix levels of PowerKVM prior to 2.1.1, please see http://download4.boulder.ibm.com/sar/CMA/OSA/05e4c/0/README for prerequisite fixes and instructions.

Workarounds and Mitigations

v2.1 customers can work around the problem by upgrading to the fixed release of v3.1

Get Notified about Future Security Bulletins

References

Off

Change History

4 March 2016 - Initial Version

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
17 June 2018

UID

isg3T1023432